CN103827370A - Ten-shed semi-duplex through-air dryer fabric - Google Patents

Ten-shed semi-duplex through-air dryer fabric Download PDF

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Publication number
CN103827370A
CN103827370A CN201280047363.XA CN201280047363A CN103827370A CN 103827370 A CN103827370 A CN 103827370A CN 201280047363 A CN201280047363 A CN 201280047363A CN 103827370 A CN103827370 A CN 103827370A
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China
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depression
warp thread
fabric
weft yarn
joint
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CN201280047363.XA
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CN103827370B (en
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R·帕特尔
D·卓别林
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AstenJohnson Inc
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AstenJohnson Inc
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts
    • D21F7/12—Drying
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D11/00—Double or multi-ply fabrics not otherwise provided for
    • D03D11/02—Fabrics formed with pockets, tubes, loops, folds, tucks or flaps

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Woven Fabrics (AREA)
  • Paper (AREA)

Abstract

A papermaker's through-air dryer (TAD) fabric for use in the production of tissue and towel products. The fabric is woven according to a 10-shed, semi-duplex weave design in which the warp and weft yarns are arranged so as to form pockets of at least two differing sizes in a first planar fabric surface. The pockets are designed and arranged to impart a measure of bulk and absorbency to the paper products conveyed thereon by providing MD oriented recesses in the PS fabric surface into which a portion of the component fibers of the paper products formed on the fabric are deflected during manufacture.

Description

Ten shed open half-duplex aeration-drying woven fabrics
Technical field
The present invention relates to papermaker's fabric (papermaker ' s fabric), this papermaker's fabric can and increase paper thick (caliper) and the bulk (bulk) in the paper product that be formed on this papermaker's fabric for development.The invention particularly relates to a kind of fabric, this Fabric Design is also set to provide the depression (pocket) of multiple guiding machine directions in the paper transfer surface of this fabric, in paper handkerchief production technology (tissue manufacturing process), described paper product produces deflection along with transmitting by throughcirculation dryer (TAD) unit (through-air drying unit) in described depression.More specifically, the present invention relates to a kind of fabric, this fabric, by ten shed opens (10-shed), half-duplex (semi-duplex) design braiding, provides the depression of two kinds of different sizes with the paper side surface at this fabric (pape side surface).
Background technology
In traditional paper handkerchief manufacturing technique, head box (headbox) guides to mobile forming web (forming fabric) above by the diluted slurry of paper fibre and water (being called as " slurry (stock) "), and the diluted slurry of paper fibre and water are transferred on throughcirculation dryer (TAD) fabric in downstream from described forming web with the form of very wet paper web (web) subsequently.Described paper web together with described fabric through throughcirculation dryer, in throughcirculation dryer, the moulding that is dried of described paper web.For the bulk of paper web (embryonic web) generation in the early stage (bulk) and other desirable sense of touch performances (tactile property), ideally, TAD fabric will make final paper produce surface topography, the surface topography being produced by TAD fabric will be by the combination of groove (recesses) (or, the depression on general plane paper side (PS) fabric face in other cases) and the projection (protrusions) of extending above fabric plane or joint (knuckles).Described depression has been manufactured the high fibre density areas in paper, and has convexed to form relatively low fibre density areas; High fibre density is given desirable pliability and the absorbent properties of paper that therefore form together with low fibre density.In the prior art, this fabric is known, and has described various structures.Known fabric is single layer structure or sandwich construction, and is designed to give to paper surface the pattern that described fabric transmits, to produce above-mentioned desirable performance.These known fabrics transmit surface topography in several ways, and for example, by people such as Trokhan, at US5, the method for describing in 275,700 embodiment arranges surface patterning, resin (resin) coating in braiding substrate; The people such as Chiu are at US5,429,686 or the people such as Wendt at US5, that describes in 627,248 imports surface engraving yarn (surface sculpting yarn) in fabric face; According to people such as Hay, at US6, dot matrix type (lattice type) Weaving pattern of describing in 237,644 weaves described fabric; The people such as Lafond are at US7, the yarn (yarn) that uses different size in the PS surface of fabric of describing in 300,554; The method that other are known and used.
From Brett Quigley US7, i.e. ' 493 patent ' of 993,493() in can learn, individual layer TAD is set or forms according to the fabric of 10 shed open figures braidings, with the paper transfer surface at fabric, multiple depressions are set.Weave pattern forms depression on the PS of fabric, and this depression is characterised in that:
A) both sides are formed by warp yarn joint (single warp yarn knuckle), and every warp thread saves through at least 3 continuous weft yarns;
B) remaining both sides are saved (single weft yarn knuckle) by single weft yarn and are formed, and every weft yarn saves through at least two continuous warp thread;
C) graphics field (pattern square) comprises 10 weft yarns and warp thread and 10 depressions (each depression can be formed on every warp thread top of described graphics field).
In other embodiments, ' 493 patent ' also discloses every warp thread joint can pass the continuous weft yarn of the six roots of sensation, and wherein three weft yarns define 4 limits of the first depression, and remaining three weft yarn has formed four limits of the second depression.The every below on border and the top on another root warp thread joint border that weft yarn joint can connect through a warp thread.Other distortion have also been described.According to the fabric of the braiding of ' 493 ' patent be single layer structure (, only has one group of coplanar warp thread each other), and shown the depression of longitudinal direction, the bottom of this depression is formed by warp yarn and two weft yarns, has caused the bottom of described depression to be formed as T shape.
Although the fabric of producing according to the enlightenment of ' 493 ' patent has some achievements, but, still there is the demand to a kind of TAD fabric, wherein, this TAD fabric has been made has the depression of at least separately planting different size, and the paper handkerchief paper that makes to be formed on depression has been shown the projection with at least two kinds of different sizes and shape.This paper can provide the tactile softness of enhancing and other physical and mechanical properties that consumer may need.
Summary of the invention
The invention provides a kind of throughcirculation dryer (TAD) fabric of individual layer of braiding, this throughcirculation dryer (TAD) fabric weaves to provide fabric according to circulation pattern, this fabric has the first plane surface roughly, the second plane surface roughly, machine direction and cross-machine direction, this machine direction and cross-machine direction orthogonal and with described first roughly plane surface and second roughly plane surface is coplanar, wherein, in the circulation of described figure, warp thread and weft yarn interweave to provide form first roughly flat fabric surface multiple warp thread joints and weft yarn joint and be limited to the depression between adjacent two pairs of warp thread joint and weft yarn joint, described depression has by paired weft yarn joint and warp thread and saves the region that limits and the extremely below of described the first plane surface of deep recess of described depression, wherein, in each circulation of described figure:
Described depression comprises first depression with the first open area and second depression with the second open area, and described the first open area is exposed on described the first fabric face, and described the second open area is exposed on described the first fabric face;
The basal surface of each described depression is limited by a warp thread and at least one weft yarn, and the basal surface of each described depression is recessed to the below of described the first fabric face that is roughly plane; The periphery of each in described the first depression and described the second depression is limited by two described warp thread joints and two described weft yarn joints;
Each described warp thread joint is separated by a warp thread in cross-machine direction with adjacent warp thread joint, and described warp thread forms joint on the second fabric face;
In the circulation of described figure, the quantity of described the first depression equals the quantity of described the second depression; The aperture area being limited by the periphery of described the first depression is different from the aperture area being limited by described the second depression;
Described the first depression and described the second depression are all set to the diagonal angle twill figure of described the first fabric face;
Limiting two described warp thread joints of the periphery in the first depression and described the second depression described in each and two described weft yarns saves and is set to:
A, described warp thread joint float over 4 to 9 weft yarn tops;
B, described weft yarn joint float over 3 described warp thread tops;
C, each described warp thread joint limit machine direction (MD) side of two described the first depressions and two described the second depressions; And
D, each described weft yarn joint limit cross-machine direction (CD) side of two described the first depressions and two described the second depressions.
In one embodiment, described in, be woven to the 10 shed open figures that need 10 warp thread and 10 weft yarns in each circulation.
Preferably, described fabric is symmetrical, make to be arranged on described first roughly plane surface and described second roughly the circulation pattern on plane surface be identical.Alternatively, be arranged on first roughly plane surface and second roughly the figure of the described circulation on plane surface is not identical, and described fabric is asymmetric.
Preferably, in a circulation of the weave pattern of described fabric, alternately the warp thread of (, interval) forms joint, and this joint limits and is arranged in only one of them lip-deep described first depression on two surfaces that are roughly plane and the periphery of the second depression.More preferably, the fabric face that alternately yarn is set in two fabric faces provides warp thread joint.
Preferably, described fabric provides half-duplex structure, and wherein, described warp thread forms two surfaces (apparent plane) in described fabric, and described warp thread is not along vertically relation is stacking each other.
Preferably, on the first fabric face in two fabric faces, described warp thread joint floats at least 4 weft yarn tops.Alternatively, described warp thread joint floats over more than 9 weft yarn tops.
Preferably, each warp thread joint forms the described machine direction side of four described depressions.More preferably, described weft yarn joint forms two the first depressions adjacent one another are and the machine direction side of two the second depressions.
Preferably, described the first depression and described the second depression are separated by a weft yarn joint along machine direction.
Preferably, described weft yarn joint floats over one of them the lip-deep three warp thread top in two fabric faces.
Preferably, each described depression and adjacent described depression are separated by a described warp thread in described cross-machine direction.Preferably, each described depression and adjacent described depression are separated by a described weft yarn in described machine direction.
In fabric of the present invention, each depression is limited by two warp thread joints and two weft yarn joints.On same fabric face, each described warp thread joint is separated by a described warp thread in described cross-machine direction with adjacent warp thread joint.
Similarly, in fabric of the present invention, warp thread is set to form joint at least one surface of two fabric faces; For example, in a kind of decision design (Fig. 1), in a circulation of weave pattern, 50% warp thread floats over 8 weft yarn tops, and to form two warp thread joints on one of them surface of two fabric faces, each warp thread joint floats over four continuous weft yarn tops.For example, in another kind of decision design (Fig. 6), in a circulation of described fabric, described warp thread floats over 9 continuous weft yarn tops, to form a warp thread joint on a fabric face.It is possible having the float design of length of different warp thread joint.In two kinds of preferred embodiments, in a circulation of fabric pattern, only 50% warp thread forms warp thread joint on a surface of fabric.
In another aspect, the invention provides a kind of woven, by the woven of warp systems and weft systems braiding, to limit the first roughly plane surface of plane surface and second roughly, described first roughly plane surface and second roughly plane surface corresponding to paper stayed surface and machine side surface, described warp thread and described weft yarn interweave to provide multiple warp thread joints and weft yarn joint, to form the described first flat fabric surface roughly, and each described first roughly plane surface and described second roughly the plane surface upper limit be positioned the depression between the described warp thread of adjacent two couple joint and described weft yarn joint, described depression has by paired weft yarn joint and warp thread and saves the region limiting, and the deep recess of described depression is to the below of described the first plane surface.First group of warp thread comprises the described warp thread joint of warp thread alternately, to form the depression side of paper support-side of described fabric, and forms the end of depression in the machine side surface of described fabric.The described warp thread joint of second group of warp thread comprises the not remaining warp thread in described first group of warp thread, forms the depression side of described machine side surface, and forms the end of the depression of described paper support-side.The warp thread joint that forms described depression side floats over the top of 4 to 9 weft yarns.And on described paper support-side surface and in described machine side surface, the described weft yarn joint that forms all the other limits of described depression floats over the top of 3 warp thread.
In a preferred embodiment, each fabric face comprises the depression of two different sizes.
Preferably, each warp thread joint forms four depression sides.Each weft yarn joint preferably also forms four depression sides.More preferably, the each lip-deep depression of described fabric and adjacent depression are separated by an one thread in each direction.
On the other hand, the relative angle of each depression is formed by warp thread joint, and other relative angles are formed by weft yarn joint.
In all embodiments of the present invention, at least common the first plane surface that limits described fabric of warp thread joint and weft yarn joint.Described depression is formed between the joint with surf zone, and the periphery of described depression is limited by two warp thread joints and two weft yarn joints.The basal surface of each depression is limited by a warp thread joint and at least one weft yarn, and the two is all recessed to described the first plane surface below.The depression of each depression deeply the described diameter of described warp thread or thickness 50% to 100% between.
Described fabric can utilize the monofilament of circular cross-section or the warp knit of flat (square-section), and the length-width ratio (aspect ratio) of described rectangle is at least 1.4:1 is even larger.In the time using the yarn of circular cross-section, described fabric may need to carry out mechanical surface treatment, and making provides required contact area by friction (abrasion) (sandblast (sanding)), and required contact area is at least 14%, preferably, at least 20% or more.Alternatively, can use the monofilament of essentially rectangular, in this case, fabric surface treatments (for example, by friction) is not necessary, or reduces at least significantly surface treatment.But, the common sandblast of these fabrics, to increase the contact area between fabric and paper, with provide various to paper is transported to the performance that TAD process is relevant, or the release of described paper in forming process.
The weft yarn using in fabric of the present invention can be circular cross-section or be roughly square-section; Circle is preferred.The diameter of circular weft yarn can be approximately between the extremely about 0.80mm of 0.30mm.For example, because weft yarn some characteristic (, gas permeability) to described fabric has appreciable impact, therefore, select suitable diameter of the weft yarn to promote the final use of described fabric.
The composition of monofilament it is desirable to that bag can stably postpone the heat that runs in production of paper products process and humidity and the polyester (for example, PEF) that causes hydrolysis; Alternatively, described yarn can comprise such as polyphenylene sulfide (PPS), polyether-ether-ketone (PEEK) etc. itself to degradation-resistant polymer.If the people such as Baker are at US7, described in 811,627, can utilize nano particle figure layer (nanoparticle coating) by surface treatment, described fabric to be applied before use or in using.
After braiding, utilize known technology to carry out HEAT SETTING (heat-set) to described fabric, so that its Stability Analysis of Structures is carried out resistance to deformation.Then suitable seam is installed in the fabric of gained; Described seam is generally weaving seam (woven-in seam), in this weaving seam, a part adjacent with described fabric ends for weft yarn is removed, in these regions, described warp thread end is free end, and warp thread is woven back corresponding relative path again according to existing technology freely.Therefore the seam producing can be strengthened and be bonded near described warp thread terminal or described warp thread terminal by laser weld (laser welding), ultra-sonic welded (ultrasonic bonding) or other suitable modes.Alternatively, pin seam (pin seam) or other suitable crack structures can be installed as required.The fabric completing is suitable for being arranged in the profiled section or throughcirculation dryer of paper machine subsequently.
Accompanying drawing explanation
The detailed description of aforementioned summary of the invention and the preferred embodiment of the present invention subsequently will be understood better by reference to the accompanying drawings.In the accompanying drawings:
Fig. 1 is 10 shed opens of the first embodiment according to the present invention, the organization chart (weave diagram) of individual layer TAD fabric;
Fig. 2 is the photo that weaves the PS surface of the fabric obtaining according to the organization chart shown in Fig. 1;
Fig. 3 is the details exploded view of the fabric shown in Fig. 2, and has shown the first depression and the second depression in the PS surface that is formed on fabric, and the figure that wherein said fabric shows according to summary in Fig. 1 weaves;
Fig. 4 is the photo in the cross section dissectd along warp thread (MD) direction of the fabric shown in Fig. 2;
Fig. 5 is the photo in the cross section dissectd along weft yarn (CD) direction of the fabric shown in Fig. 2;
Fig. 6 is 10 shed opens of the second embodiment according to the present invention, the organization chart of individual layer TAD fabric;
Fig. 7 is the photo that weaves the PS surface of the fabric obtaining according to the weave pattern shown in Fig. 6;
Fig. 8 is the details exploded view of the fabric shown in Fig. 7, and has shown the first depression and the second depression in the PS surface that is formed on fabric, and the figure that wherein said fabric shows according to summary in Fig. 6 weaves;
Fig. 9 a is 10 shed opens of the third embodiment according to the present invention, the organization chart of individual layer TAD fabric;
Fig. 9 b is the plane of showing according to the PS surface of the fabric of the organization chart braiding shown in Fig. 9 a;
Fig. 9 c is the stereogram of the fabric shown in exploded view 9b;
Figure 10 a is 10 shed opens of the 4th kind of embodiment according to the present invention, the organization chart of individual layer TAD fabric;
Figure 10 b is the plane of showing according to the fabric PS surface of the organization chart braiding in Figure 10 a;
Figure 10 c is the stereogram of the fabric shown in exploded view 10b;
Figure 11 a is 10 shed opens of the 5th kind of embodiment according to the present invention, the organization chart of individual layer TAD fabric;
Figure 11 b is the plane of showing according to the PS plane of the fabric of the organization chart braiding shown in Figure 11 a;
Figure 11 c is the stereogram of the fabric shown in exploded view 11b;
Figure 12 a is 10 shed opens of the 6th kind of embodiment according to the present invention, the organization chart of individual layer TAD fabric;
Figure 12 b is the plane of showing according to the PS surface of the fabric of the organization chart braiding in Figure 12 a;
Figure 12 c is the stereogram of the fabric shown in exploded view 12b;
Figure 13 a is 10 shed opens of the 7th kind of embodiment according to the present invention, the organization chart of individual layer TAD fabric;
Figure 13 b is the plane of showing the PS surface of the fabric obtaining according to the organization chart braiding shown in Figure 13 a;
Figure 13 c is the normal axomometric drawing of the fabric shown in exploded view 13b.
The specific embodiment
Some that use in following description belongs to only in not conveniently being regarded as restriction.For example, at this, in the time using with reference to accompanying drawing, term " on ", D score, " top ", " end ", " left side " and " right side " have common implication.Term " machine direction " (or " MD ") refers to the direction of paper machine from head box to dryer part; Term " cross-machine direction " (or " CD ") refer to perpendicular to MD direction and with the coplanar direction of MD direction.In fabric of the present invention, in the time using described fabric, warp thread is conventionally along MD direction orientation, and weft yarn is orientated along CD direction conventionally.The fabric of braiding has two coplanar surfaces: one is machine side (MS), and in the time using, described machine side is set to contact with retaining element with the roller of machine; Another is paper side (PS), and product will form and transmit in this paper side.In addition, unless otherwise indicated, term " " and " one " comprise one or more features of quoting for limiting.
In fabric of the present invention, warp thread joint and weft yarn joint limit the external boundary at least one surface (especially PS) in these surfaces.Warp thread or weft yarn " joint " be a kind of by the first yarn towards or around one or more the second yarn bendings with " floating " above described the second yarn, and the local deformation being formed by the second yarn support, described the second yarn is orientated perpendicular to the first yarn, and weaves mutually with described the first yarn.Relevant term " floating long (float length) " refers to the quantity of floating the second yarn that has select the first yarn in top.Therefore, in the fabric of braiding, " joint " is that yarn is because floating on a little higher than fabric general plane of other particular yarn and at least defining the roughly part on flat fabric surface, and " depression " is the region in described the first plane surface, the girth of " depression " is limited by two warp thread joints and two weft yarn joints, and the inner surface of " depression " caves in below the external boundary of PS.The width of length × depression that therefore, " aperture area " of depression is depression.In the time using, the depression in described fabric face forms the little part pad (pillow) with relatively high fibre density in the paper forming thus; The local crowning that the warp thread joint of described fabric face and weft yarn joint are described roughly flat fabric surface, described warp thread joint and described weft yarn joint form the relatively low region of fibre density in product.Jointly, the described joint of described fabric face and described depression are that paper is given bulk and other important mechanical properties, to strengthen the practicality of paper for paper handkerchief or towel product (towel product).
Fig. 1 is according to the organization chart of cell of the first embodiment of the fabric of enlightenment of the present invention braiding or figure grid (pattern square); Described organization chart provides the figure of the braiding (or staggered) in the circulation (repeat) of weaving textile.In described organization chart, being numbered across 1 to 10 of described organization chart top of described warp thread, and being numbered along 1 to 10 of left side of described weft yarn.According to the convention of this organization chart, the grid of black represents that warp thread is positioned at weft yarn top, and the grid of white is illustrated in selected area, and warp thread is positioned at weft yarn below.It will be apparent to one skilled in the art that cell in Fig. 1 represents a circulation of weave pattern, this width and length direction that circulates in whole fabric is repetition.Weave pattern needs 10 shed opens in weaving loom, to control the position of described warp thread, and described figure repeats on 10 weft yarns, make the 11st (No. 11) weft yarn by as described in follow identical alternating graph shown in No. 1 weft yarn at top in organization chart.
Consulting the organization chart shown in Fig. 1 has shown: start described figure in the upper left corner, warp thread 1 passes weft yarn 1 top, weft yarn 2,3,4,5 belows, and through weft yarn 6 tops, subsequently through weft yarn 7 to 10 belows; Now, the path of warp thread 1 is the figure starting from weft yarn 1 shown in circulation.Adjacent warp thread 2 is also through the top of weft yarn 1, and subsequently through the below of weft yarn 2, the top of weft yarn 3 to 6, the below of weft yarn 7, and the top of passing subsequently weft yarn 8 to 10 is to complete described figure.
Warp thread 3,5,7,9 is followed the path identical with warp thread 1, still, departs to each other two weft yarns (that is, circulate in the path of warp thread 1, but starting point is as changed two weft yarns downwards in figure). Warp thread 4,6,8,10 is followed the path identical with warp thread 2, but also in figure, is offset (or mobile) two weft yarns.Because similar warp path can change every a warp thread, so the fabric in Fig. 1 is symmetrical, and in the cloth of braiding, contrary two surfaces for plane are all roughly the same.It will also be understood that, one, interval warp thread (that is, forming the warp thread 2,4,6,8,10 of the joint on the PS of fabric) only in described figure, is " tops " shown in black lattice in figure because only have these warp thread.In described figure, the top (as shown in white square) of weft yarn process warp thread 1,3,5,7,9, and therefore appear on the contrary MS surface of fabric.Fig. 2 has more clearly shown this layout.
Fig. 2 is the PS(paper side that weaves the fabric forming according to the weave pattern design shown in Fig. 1) surperficial photo; This be use time fabric for transmitting the surface of the paper products of being produced by this fabric.But, due to the symmetry characteristic of described Fabric Design, PS or contrary MS(machine side) surface can be used as this object.In Fig. 2, the orientation of weft yarn 100 runs through the page from left to right, simultaneously the direction of warp thread on the page straight down.Warp thread joint and weft yarn joint in the PS surface of the fabric shown in Fig. 2 are set to plane (machinery polishes), and to increase the Surface Contact area of fabric, this causes weft yarn joint to show as the ellipse at 150 places, and warp thread joint shows as the ellipse at 250 places.In conjunction with the organization chart in Fig. 1, consult the fabric face shown in Fig. 2 and shown, only form the warp thread joint (being shown as black in Fig. 2) such as 250 in this surface every a weft yarn.The uncoloured warp thread replacing is positioned at the surperficial below of the warp thread joint forming every warp thread, and the uncoloured warp thread replacing is used to form the bottom of described depression, and described depression is formed in the surface of described fabric by described weave pattern.
Fig. 3 has shown the photo of the fabric 10 shown in Fig. 2, on the PS surface of fabric, is superimposed with cell 300, clearly to show a complete fabric pattern circulation (, the organization chart shown in Fig. 1).Fig. 3 has also shown the profile of the fabric depression arranging by weave pattern in a cell (or circulation).Consult Fig. 3 and shown in cell 300, there are 20 depressions; Described depression has two kinds of different sizes, and each larger depression (mark is with Reference numeral 1 in typical large pocket area 310) marks profile with solid line, and each less depression (mark is with Reference numeral 2 in typical little depression 320) marks profile with dotted line.The first depression (such as the depression at 310,330,350,370 places) is larger depression, means that the first depression has larger open surfaces compared with the second depression less with respect to the first depression (such as the depression at 320,340,360 places).In cell 300 shown in Fig. 3, there are 10 the first large depressions and 10 the second little depressions.
Consult larger depression (such as the depression at 310 places) and shown, larger depression is in abutting connection with there being two warp thread joints 210,240, and two weft yarn joints 110,120.In the MD of depression 310 side, each in warp thread joint 210,240 all floats on (or passing) four continuous weft yarns.The boundary of warp thread joint 240 is the weft yarn 110 of depression 310 upper ends and the weft yarn 130 of depression 310 lower ends.Can see, warp thread joint 240 forms the common MD border of large depressions 210 and adjacent little depression 320, and warp thread joint 240 forms the common MD border of little depression 360 and large depression 370.The joint being formed by weft yarn 110 forms the coboundary of large depression 310, and at this coboundary place, the described joint being formed by weft yarn 110 floats on three continuous warp thread from left to right, and the joint being formed by weft yarn 110 forms the top boundary of (right side) adjacent little depression 360 simultaneously.Can also see, weft yarn joint 110 also forms the week end (bottom perimeter) of little depression 340 and large depression 350.
As shown in Figure 3, little depression 320 top boundary are weft yarn joint 120, and this weft yarn joint 120 is also formed as the week end of large depression 310; Weft yarn joint 130 forms the bottom boundaries of little depression 320 and adjacent large depression 370; Warp thread joint 230,240 forms respectively left side and the right side of little depression 320.Warp thread joint 230 also forms the left margin of large depression 320, and the top boundary of large depression 320 is weft yarn joint 130; Described figure continues in whole fabric with form described above.
Therefore, Fig. 3 shown according to the fabric of 10 shed open figures braidings in Fig. 1, and is provided with 20 depressions with two kinds of different sizes each in having the cell that 10 warp thread are multiplied by 10 weft yarns.There is warp thread joint on the border of each depression, and described warp thread joint for example floats on 4 weft yarns, for example, to form the MD side of larger depression (, depression 310) and less depression (, depression 320).The border of each depression also has the weft yarn joint of two weft yarns, owing to often passing three warp thread with weft yarn, so described weft yarn is formed as warp float (float).Compared with the weave pattern of Fig. 3 and Fig. 1, the figure of floating described in clearly having shown.Each inner open area of large depression (for example, depression 310) comprises two weft yarns and a warp thread; The inner open area of described little depression (for example, 320) is formed by a warp thread and a weft yarn.Therefore, large depression (for example, depression 310) has the length of two weft yarns and the width of a warp thread; Described little depression (for example, depression 320) has the length of a weft yarn and the width of a warp thread.Therefore, can find out, the border of each in the first depression and the second depression is two warp thread joints and two weft yarn joints, and these two warp thread joints and two weft yarn joints are arranged as:
A) described warp thread joint floats on 4 weft yarn tops;
B) described weft yarn joint floats on 3 warp thread tops;
C) each warp thread joint limits the MD side of four adjacent depressions, and two in four adjacent depressions is first depression with first size, and all the other two in four adjacent depressions for having the second depression of the second size;
D) each weft yarn joint limits the CD side of adjacent four depressions, and two of four adjacent depressions is first depression with first size, and all the other two in four adjacent depressions for having the second depression of the second size; And
E) described first size is not equal to described the second size.
Fig. 4 has shown perpendicular to weft direction and in the cross section of warp thread direction, a complete cycle of the weave pattern shown in Fig. 1.In Fig. 4, show the path of warp thread 1 and warp thread 2 in the figure of Fig. 1.As shown in Fig. 4 from left to right, warp thread 1(is labeled as W1) through weft yarn 1 top, weft yarn 2, to weft yarn 5 belows, (forming MS warp thread saves), weft yarn 6 tops and weft yarn 7 to 10(form another MS warp thread joint) to complete described circulation.Adjacent warp thread 2(is labeled as W2) through the top of weft yarn 1, the below of weft yarn 2, subsequently through the top of weft yarn 3,4,5,6 to form PS warp thread joint or the length warp float as 4.Warp thread 2 saves or is floated on 4 weft yarns tops through the below of weft yarn 7 and the top of weft yarn 8,9,10,1 to form the 2nd PS warp thread subsequently.Consult Fig. 4 and shown that each lip-deep warp thread in PS surface and the MS surface of the fabric length of floating is identical, and be all floated on four weft yarns.
Fig. 5 is the photo of the cutaway view of the fabric that presents in exploded view 4, different is, Fig. 5 along typical weft yarn in the figure shown in Fig. 1 (is for example, weft yarn 3(is labeled as WE3) or weft yarn 8) and dissect acquisition, because described typical weft yarn and described warp thread weave mutually, therefore, described typical weft yarn laterally strides across described fabric.In Fig. 5, warp thread is numbered according to shown in Fig. 1.Is from left to right that warp thread 1 is to warp thread 10; Figure restarts at the warp thread 1 on photo right side; Show the path (identical with the path of weft yarn 8) of weft yarn 3 in the figure of Fig. 1.According to above-mentioned figure, weft yarn 3 is through warp thread 1 top, pass subsequently below (forming MS weft yarn joint), warp thread 5 tops, warp thread 6 belows of warp thread 2,3,4, subsequently through the top of warp thread 7,8,9 and the below of warp thread 10 (forming PS weft yarn joint), now, weft yarn figure is along with start circulation through warp thread 1.Comparison diagram 1 and Fig. 5, can find out, weft yarn 3 forms joint between warp thread 6 and warp thread 10, and at this joint place, weft yarn 3 floats on warp thread 7,8,9 tops; This floating (for example, being shown as 120 in plane (, Fig. 3)) forms the lateral ends of large depression (depression 310 as shown in Figure 3) and little depression (depression 320 as shown in Figure 3).It can also be seen that by consulting Fig. 1 to Fig. 5, after every five weft yarns, weft yarn figure self circulation (therefore, the path of weft yarn 1 is identical with weft yarn 6, and the path of weft yarn 2 is identical with weft yarn 7, etc.).
From Fig. 5, it can also be seen that, owing to weaving mutually according to selected half-duplex weave pattern (semi-duplex weave pattern) and weft yarn, warp thread 1 to warp thread 10 is arranged on two independently in plane, therefore, warp thread 2,4,6,8,10 is preferably set in the first surface of the fabric shown in Fig. 5, and warp thread 1,3,5,7,9 is positioned on the second surface of fabric.This set is for being referred to as the feature of " half-duplex individual layer " fabric construction, and this set is to utilize a warp systems and two wovens that weft systems weaves haply.In fabric of the present invention, only there are a set of warp thread and a set of weft yarn; But the weave pattern using in these fabrics causes half warp thread to be mainly positioned on a surface of fabric, and second half warp thread is positioned in the opposed surface of fabric, identical with the mode occurring in traditional half-duplex fabric.Therefore, fabric of the present invention can be referred to as the single layer structure of having shown semiduplex pattern.The advantage that this structure provides is, forms the depression of " darker " relatively on PS surface, and the scope of the degree of depth of this depression can be between 50% to 100% of warp diameter or thickness.
If fabric of the present invention utilizes the polymer filament braiding of circular cross-section, the diameter of so common described warp thread will be approximately between the extremely about 0.50mm of 0.20mm; Preferably, the diameter of warp thread is at about 0.25mm between about 0.40mm, and according to various fabrics requirement, approximately the yarn diameter between the extremely about 0.35mm of 0.27mm is most preferred.Be roughly the monofilament rectangular weave of rectangle if utilized, warp width by roughly identical with the scope of the diameter of the warp thread of circular cross-section (that is, and between 0.20mm to 0.50mm, preferably, width at about 0.27mm to approximately between 0.35mm).It will be appreciated by those skilled in the art that the various requirement of selecting suitable yarn dimensions to depend on predetermined fabric applications, and above-mentioned size should not be regarded as restriction.
Can utilize traditional industrial weaving loom to weave fabric of the present invention, described traditional industrial weaving loom is set to provide a kind of warp count (warp density) (mesh), this warp count is generally used for these fabrics, and described warp count about 40 to 50 yarns/inch (15.75 one threads/centimetre to 19.7 one threads/centimetre).Described weft count (circle (knock)) roughly in per inch fabric length, have 30 to 60 one threads (11.8 one threads/centimetre to 23.6 one threads/centimetre) scope.The selection of suitable mesh and circle (mesh and knocking) will be depended on various factors (for example, desirable gas permeability, paper pattern etc.).
Utilize warp count (warp count) and weft count (, mesh=warp thread quantity/cell width; Circle=weft yarn quantity/element length) and the yarn diameter/width that limits the border of described depression limit and determine the aperture area of large depression and little depression.Utilize following frame length and width definition (frame length and width definition) to limit depression length and width.Therefore, if:
N xthe quantity of=weft yarn, described depression extends above described weft yarn, and
N mthe quantity of=warp thread, described depression extends above described warp thread,
So:
Depression length=[(N x+ 1)/PS circle]-(average diameter of border weft yarn);
Depression width=[(N m+ 1)/PS mesh]-(average diameter of border warp thread).
For this large depression of the depression 310 in all fabrics as shown in Figure 3, when mesh and circle are 45 yarns/inch (1.77 one thread/millimeter), so, if the diameter of described weft yarn is 0.5mm, and the diameter of described warp thread is 0.35mm, so, described depression length and described depression width are by as follows:
Depression length=[(2+1)/1.77]-0.5=1.2mm;
Depression width=[(1+1)/1.77]-0.35=0.78mm;
Depression aperture area (large depression)=depression length × depression width=1.2 × 0.78=0.94mm 2.
Similar calculating shows, the aperture area of little depression will be 0.49mm 2.
The ratio of large depression area and little depression area is preferably between the extremely about 4:1 of 1.5:1.
Those skilled in the art should recognize, similar depression is arranged the machine side surface that is also formed on fabric 10, the MS warp thread being formed by warp thread 1,3,5,7,9 joint of fabric 10 limits described depression side, and the MS weft yarn of weft yarn 1-10 joint limits other sides of described depression.
The first preferred embodiment is 10 shed open weave pattern, and those skilled in the art should recognize, can realize the weave pattern of other sizes with varying number shed open, and this weave pattern will arrange the depression of varying number in each circulation.In addition, can change the size of described warp thread joint and the size of described weft yarn joint so that the depression of different size to be provided.
Fig. 6 shows cell in the second braided design of weaving of enlightenment according to the present invention or the organization chart of figure grid; Described organization chart provides warp thread and weft yarn braiding (or staggered) figure in a circulation of weaving textile.As shown in the organization chart in Fig. 1, being numbered across 1 to 10 of described organization chart top of described warp thread, and being numbered along 1 to 10 of left side of described weft yarn.According to the convention of this organization chart, black box represents that warp thread is arranged in weft yarn top (or passing up described weft yarn in described circulation), and white grid is illustrated in select location, and described warp thread is positioned at weft yarn below.It is obvious to the skilled person that the cell in Fig. 6 shown a circulation in weave pattern, this width and length direction that circulates in whole fabric is repetition; Weave pattern needs 10 shed opens in weaving loom, to control the position of described warp thread, and described figure is 10 weft yarn cocycles, make the 11st (No. 11) weft yarn by as described in follow identical alternating graph shown in No. 1 weft yarn at top in organization chart.
Consulting the organization chart shown in Fig. 6 has shown: start described figure in the upper left corner, warp thread 1 passes weft yarn 1 top, weft yarn 2,3,4,5 belows, and through weft yarn 6 tops, subsequently through weft yarn 7 to 10 belows; Now, the path of warp thread 1 is the figure starting from weft yarn 1 shown in circulation.Adjacent warp thread 2 also, through the top of weft yarn 1 and weft yarn 2 and weft yarn 3, subsequently through the below of weft yarn 4, then passes the top of weft yarn 5 to 10 to complete described figure.Warp thread 3,5,7,9 is followed the path identical with warp thread 1, still, departs to each other a weft yarn (that is, circulate in the path of warp thread 1, but starting point is as upwards changed a weft yarn in figure).Warp thread 4,6,8,10 is followed the path identical with warp thread 2, but also in figure, is offset (just as downward variation) three weft yarns.It is noticeable that weave pattern shown in Fig. 6 provides long warp float (warp float), and described warp float strides across nine weft yarns altogether; These are the most apparent by consulting the path of warp thread 10, and warp thread 10 floats on above weft yarn 1 to 9 and forms the floating latitude (weft float) of 9 continuous whole in figure.Different from the fabric of producing according to the weave pattern shown in Fig. 1, the fabric that utilizes the figure shown in Fig. 6 to produce is asymmetric, and therefore, it is different causing two surfaces that cloth is contrary.
Fig. 7 is the PS(paper side that weaves the fabric forming according to the weave pattern design shown in Fig. 6) surperficial photo; The surface that is used to form or transmits the paper products of being produced by fabric of the present invention of fabric when this is use.In Fig. 7, as identical in Fig. 2, the orientation of weft yarn 100 runs through the page from left to right, being simultaneously oriented on the page straight down of warp thread 200.Warp thread joint and weft yarn joint in the PS surface of the fabric shown in Fig. 7 are set to plane (machinery polishes), to increase the Surface Contact area of fabric; The Plane performance that note that setting is the oval-shaped warp thread joint as 250 places.In fabric 70, weft yarn joint (for example, at the weft yarn joint at 150 places) is also set up layer plane, with less extension, and painted appearing in photo, to strengthen its pattern.This effect be contrary by the weave pattern of consulting Fig. 1 that Fig. 2 shows, in Fig. 2, it is evident that, weft yarn protrudes from fabric face, and bears the most technique that polishes.
Fig. 8 has shown the photo of the fabric sample 70 shown in Fig. 7, on the PS surface of fabric, is superimposed with cell 700, and the fabric in Fig. 7 obtains according to the figure braiding shown in Fig. 6, and a whole circulation of weave pattern is provided.Fig. 8 has also shown the profile of the fabric depression arranging by weave pattern in a cell (or circulation).Consult Fig. 8 and shown in cell 700, there are 10 depressions, the circulation that cell 700 is fabric pattern; Described depression has two kinds of different sizes, and all on PS fabric face, marks profile.The first depression (for example, at first depression at 810 places) (being marked with Reference numeral 1 in Fig. 8 acceptance of the bid) depression that is " larger ", represent compared with the second depression, the first depression has larger open surface area, compared with described the first depression, the second depression the second depression of 820 places (for example) (marking in the drawings drawings attached mark 2) is relatively little.The border of the first larger depression is dotted line, and the border of the second less depression is solid line.
Consult larger depression (for example, depression 810) and shown, the border of two MD sides of larger depression is limited by two warp thread joints 210,220, and the border of other two CD sides of larger depression is limited by two weft yarn joints 110,120.Warp thread joint 210 and warp thread joint 220 equal " floating over ", or through five weft yarns on the longitudinal edge of larger depression 810.Therefore, the border, upper end of depression 810 is weft yarn joint 110, and border, lower end is weft yarn joint 120; Weft yarn joint 120 forms " end " of warp thread joint 210, and weft yarn joint 110 stops warp thread joint 220.In Fig. 8, consult warp thread joint 210 and shown, warp thread joint 210 starts to float on 9 continuous weft tops from saving 120, and extends to the boundary that forms next (less) stomatodeum cave 840 on the page.Can find out, weft yarn joint 110 forms the border of four depressions, and these four depressions comprise: large depression 810, little depression 820 and large depression 830 and little depression 840.Weft yarn joint 110 forms the top boundary of depression 810 and depression 820, and at this top boundary place, weft yarn joint 110 floats on three continuous warp thread tops.
As shown in Figure 8, the border at little depression 820 tops is weft yarn joint 110, and this weft yarn joint 110 also forms a part for the periphery of large depression 810; Weft yarn joint 130 forms the bottom boundaries of little depression 820; Warp float 220 and warp float 230 form respectively left side and the right side of little depression 820.Warp float 220 also forms the left margin of large depression 810; Shown in figure with the mode of foregoing description in whole described fabric continuously.
Therefore, Fig. 8 has shown the fabric forming according to 10 shed open figures in Fig. 6, and this figure is provided with 10 depressions with two kinds of different sizes in each cell of described fabric.The border of each depression is warp thread joint or warp float, and described warp thread joint or warp float for example pass 9 continuous weft yarns, for example, to form the MD side of large depression (, depression 810) and little depression (, depression 820).The border of the both sides of each depression is weft yarn joint or floats latitude, and described weft yarn joint or described floating latitude have two weft yarns, and every weft yarn is forming floating latitude through time above three weft yarns.Weave pattern in weave pattern in Fig. 8 and Fig. 6 is compared, can clearly show this figure of floating (float pattern)." end " of each described large depression (for example, depression 810) comprises 5 weft yarns and a warp thread; The end of little depression (for example, depression 820), is formed by a warp thread and three weft yarns.Therefore, can see, the border of each in the first depression and the second depression comprises two warp thread joints and two weft yarn joints, and two warp thread joints and two weft yarn joints are arranged as:
A) as shown in Figure 8, described warp thread joint floats over the weft yarn top of four to nine;
B) described weft yarn joint floats over 3 warp thread tops;
C) each warp thread joint limits the MD side of four adjacent depressions, and in these four adjacent depressions, two is the first depression, and all the other two is the second depression;
D) each weft yarn joint defines the CD side of four adjacent depressions, and these four adjacent depressions comprise that two first depressions with first size and two have the second depression of the second size, and
E) described first size is not equal to described the second size.
Although described the second preferred embodiment according to the 10 shed open fabrics with the circulation that comprises 10 warp thread and 10 weft yarns, but, those skilled in the art should recognize, can have the fabric shed open of varying number and each circulation can there is the selection of different weft yarn number and warp thread number, and above-mentioned selection also fall within the scope of the present invention.
Fig. 9 a, Figure 10 a, Figure 11 a, Figure 12 a and Figure 13 a are respectively according to the cell of fabric or the organization chart of figure grid of enlightenment braiding of the present invention.According to the organization chart shown in Fig. 1 and Fig. 6, in Fig. 9 a, Figure 10 a, Figure 11 a, Figure 12 a and Figure 13 a, being numbered across 1 to 10 of described organization chart top of described warp thread, and being numbered along 1 to 10 of left side of described weft yarn.According to the convention of this organization chart, the grid of black represents that warp thread is positioned at weft yarn top, and the grid of white is illustrated in selected area, and warp thread is positioned at weft yarn below.It is evident that, in Fig. 9 a, Figure 10 a, Figure 11 a, Figure 12 a and Figure 13 a each cell shown shown in a circulation of weave pattern, this width and length direction that circulates in whole fabric is repetition; Weave pattern in each organization chart needs 10 shed opens in weaving loom, to control the position of warp thread, and described figure is 10 weft yarn cocycles, make the 11st (No. 11) weft yarn by as described in follow identical alternating graph shown in No. 1 weft yarn at top in organization chart.
Consulting the organization chart of Fig. 9 a has shown: start described figure in the upper left corner, warp thread 1, through weft yarn 1 top, then passes the below of weft yarn 2 to 10; Now, the figure starting from weft yarn 1 shown in the circulation of the path of warp thread 1.Adjacent warp thread 2, also through the top of weft yarn 1 and weft yarn 2 and weft yarn 3, pass subsequently the below of weft yarn 4, and the top of passing subsequently weft yarn 5 to 10 is to complete described figure.Weft yarn 3,5,7,9 is followed the path similar to warp thread 1, still, departs to each other three weft yarns.Warp thread 4,6,8,10 is followed the path identical with warp thread 2, but is also offset (as moved down) three weft yarns.Weave pattern shown in Fig. 9 a provides long warp float, similar to shown in Fig. 6, and this warp float has the length of floating of nine weft yarns; The path of consulting warp thread 10 by the rightmost side of the organization chart at Fig. 9 a it is evident that most: can see that warp thread 10 passes the top of weft yarn 1 to weft yarn 9.The product that utilizes the organization chart shown in Fig. 9 a to obtain is symmetrical, and therefore, with previously similar to the discussion of Fig. 1, the surface of two contrary planes of final cloth is identical.
Fig. 9 b is the plane of showing the fabric 900 obtaining according to the figure braiding in Fig. 9 a; Shown the single circulation of figure grid 901 in the upper left corner.Figure grid 901 is corresponding to the organization chart in Fig. 9 a; Fig. 9 b has shown the appearance of four circulations in Fig. 9 a.In Fig. 9 b, the orientation of warp thread 200 is vertical in the diagram, and weft yarn 100 is set to level through schematic diagram.Four exemplary depressions 910,912,914,916 in figure grid 901, are marked; Depression 910 and depression 916 are large depression, mean that depression 910 and depression 916 for example, have larger open surface area than little depression (, depression 912 and depression 914), and compared with described large depression, described little depression is less.Consult figure grid 901 and shown 5 the little depressions (for example, depression 912 and depression 914) in this figure grid 901, and 5 large depressions (as depression 910 and depression 916).
Consult large depression (for example, depression 910) and shown that the border of every side of this large depression is all two warp thread joints, and, be two weft yarn joints on the border of top and bottom, as above discussed in conjunction with Fig. 1 and Fig. 6, in described figure, each weft yarn joint floats over three continuous warp thread tops.The border, left and right of each larger depression (for example, depression 910) is the warp thread joint of floating above 5 weft yarns.The border of each little depression (for example, depression 914) is the warp thread joint of floating above three weft yarns.Schematic diagram from Fig. 9 b can significantly be found out, the public boundary between the warp thread joint of each large depression and little depression and weft yarn joint shared adjacent large depression and little depression.In Fig. 9 c, provide the axle that waits with the fabric 900 shown in plan view in Fig. 9 b to survey view.In Fig. 9 c, weft yarn is all marked as 100, and warp thread is all marked as 200.Known in view, fabric 900 has the half-duplex structure similar to the fabric shown in Fig. 5, makes warp thread alternately all form warp float on the first surface of fabric and second surface.
Figure 10 a has shown according to the present invention the organization chart of the fabric of the 4th kind of embodiment.As shown in organization chart: the upper left corner start as described in figure, warp thread 1 is through weft yarn 1 and weft yarn 2 tops, then through the below of weft yarn 3 to 10; Now, the path of warp thread 1 is the figure starting from weft yarn 1 shown in circulation.Adjacent warp thread 2, also through the top of weft yarn 1, weft yarn 2 and weft yarn 3, pass subsequently the below of weft yarn 4, and the top of passing subsequently weft yarn 5 to 10 is to complete described figure.Weft yarn 3,5,7,9 is followed the path similar to warp thread 1, still, departs to each other two weft yarns.Warp thread 4,6,8,10 is followed the path identical with warp thread 2, but is also offset (as moved down) three weft yarns.Therefore, the weave pattern shown in Figure 10 a provides long warp float, and this long warp float is crossed over 9 continuous weft yarns altogether; It is evident that most by consulting warp thread 10 in Figure 10 a, formed 9 floating latitudes that float over weft yarn 1 to 9 top.To in Fig. 6, discuss similar, the fabric that utilizes weave pattern shown in Figure 10 a to generate is asymmetric, makes the surface of two contrary planes of final cloth not identical.
Figure 10 b is according to the plan view of the fabric 1000 of the organization chart braiding acquisition shown in Figure 10 a; Show the single circulation of the figure grid shown in Figure 10 a in the upper left corner, and be marked as 1001.Four circulations of the weave pattern in Figure 10 a in Figure 10 b, are shown.In Figure 10 b, being oriented in view of warp thread 200 is vertical, and weft yarn 100 is set to flatly stride across described view.Four exemplary depressions 1010, depression 1012, depression 1014 and depressions 1016 in figure grid 1001, are marked out; Depression 1010 and depression 1016 are large depression, mean that depression 1010 and depression 1016 for example have, than the larger open surfaces area of little depression (, depression 1012 and depression 1014), and compared with large depression, little depression 1012 and little depression 1014 are less.Consult figure grid 1001 and shown 5 little depressions (for example, depression 1012 and depression 1014) and 5 large depressions (for example, depression 1010 and depression 1016).
Consulting large depression (for example, depression 1010) has shown: the border of large depression is two warp thread joints and two weft yarn joints.In the time that weft yarn 100 forms the coboundary of large depression and little depression and lower boundary with the method for above describing in conjunction with Fig. 1 and Fig. 6, every weft yarn 100 floats over three continuous warp thread tops.Each large depression (for example 1010) border, left and right is the warp thread joint that floats over 5 weft yarns tops.The border of each little depression (for example, depression 1014) is the warp thread joint that floats over 3 weft yarn tops.View in Figure 10 b illustrates significantly, the public boundary between weft yarn joint and shared adjacent two the large depressions of warp thread joint and the little depression of large depression and little depression.In Figure 10 c, show the view such as survey such as axle such as grade of the fabric 1000 in Figure 10 b.In Figure 10 c, identical with Fig. 9 c with Fig. 9 b, weft yarn is all noted as 100, and warp thread is all labeled as 200 simultaneously.View shows in Figure 10 c fabric have and half-duplex structure identical in the first embodiment, the second embodiment and the third embodiment before.
Figure 11 a is the organization chart of the 5th kind of embodiment of 10 shed open plate duplex fabrics of the present invention.As shown in organization chart, start described figure in the upper left corner, warp thread 1 is through the below of weft yarn 1, weft yarn 2 and weft yarn 3, through the top of weft yarn 4, through the below of weft yarn 5,6,7,8, pass the top of weft yarn 9 and the below of weft yarn 10 subsequently, now, figure starts circulation from weft yarn 1.The weft yarn the 3,5,7, the 9th of this figure interweaving, circulation, but in figure, weft yarn 3,5,7,9 departs from two weft yarns each other.Adjacent warp thread 2, through weft yarn 1 top, weft yarn 2 belows, passes the top of weft yarn 3 to weft yarn 6 subsequently, the below of the below of weft yarn 7 and weft yarn 8,9,10, and yarn repeat is in this layout that interweaves.Warp thread 4,6,8,10 is followed the path similar to warp 2, but is also offset (or moving down) two weft yarns.Therefore, in described circulation, the weave pattern shown in Figure 11 a provides two warp floats, and each warp float floats over 4 weft yarn tops; It is evident that most by consulting warp thread 10, be formed on 4 floating latitudes of weft yarn 1 to 4 and 6 to 9 tops.The fabric that utilizes the weave pattern shown in Figure 11 a to generate is symmetrical, and therefore, to previous discuss in Fig. 1 a similar, the surface of two contrary planes of described final cloth is identical.
Figure 11 b is according to the plan view of the fabric 1100 of the weave pattern braiding acquisition shown in Figure 11 a; The single circulation of the figure grid providing in Figure 11 a has been provided in the upper left corner of Figure 11 b, and is represented as 1101.4 circulations of the weave pattern shown in Figure 11 a in Figure 11 b, are shown.In Figure 11 b, being oriented in view of warp thread 200 is vertical, strides across described view and weft yarn 100 is arranged as level.Exemplary four depressions 1110,1112,1114,1116 in figure grid 1101, are marked; Depression 1110 and depression 1116 are all large depressions, for example mean, with little depression (, depression 1112 and depression 1114) and compare, and depression 1110 and depression 1116 have larger open surfaces area, and little depression is less compared with large depression.Consult figure grid 1001 and shown 10 little depressions (for example, depression 1112 and depression 1114) and 10 large depressions (for example depression 1110 and depression 1116).
Consult large depression (for example, depression 1110) and shown, the border of large depression is two warp thread joints and two weft yarn joints.In figure, form the coboundary of large depression and little depression and the weft yarn of lower boundary joint 100 and float over three continuous warp thread tops in mode discussed above.Left border and the right side boundary arriving before weft yarn joint of each large depression (for example, depression 1110) are all to float over two warp thread joints above weft yarn.The border of each little depression (for example, depression 1112) is the warp thread joint that floats over a weft yarn top.One side of each depression 1110 and depression 1112 is shared in the warp float that extend 4 weft yarn tops.For example, the top edge of little depression 1112 by float latitude 4 through warp thread 3,4,5 above time form (referring to Figure 11 a).Lower limb forms through warp thread by floating latitude 6 for 5,6,7 o'clock; As shown in Figure 11 a, weft yarn 6 also forms the top edge of large depression 1110, and the left hand edge of depression 1110 is warp thread 4, and in the time that described warp thread 4 passes the below of floating latitude 9, described warp thread 4 is floated and terminated in the bottom of described depression.As shown in Figure 11 b obviously, the warp thread joint of each large depression and little depression and weft yarn joint are all shared the public boundary of adjacent large depression and little depression.In Figure 11 c, provide the axle that waits of the fabric 1100 shown in Figure 11 b to survey view.In Figure 11 c, the same with Fig. 9 c with earlier figures 9b, weft yarn is all noted as 100, and warp thread is all noted as 200.View shows in Figure 11 c the fabric with half-duplex structure similar to the aforesaid embodiment of the present invention.
Figure 12 a is according to the organization chart of the 6th of fabric of the present invention the kind of embodiment.Consulting the organization chart of Figure 12 a has shown: start described figure in the upper left corner, in described figure, warp thread 1, through the below of weft yarn 1, passes the top of remaining weft yarn 2 to 10 subsequently, to be formed on the warp float of 9 one threads tops; Now, the path of warp thread 1 is the figure starting from weft yarn 1 shown in circulation.Warp thread 2 is the below to weft yarn 3 through weft yarn 1, through the top of weft yarn 4, and subsequently through remaining weft yarn 5 to the below of weft yarn 10 to complete described figure.Warp thread 3,5,7,9 is followed the path similar to warp thread 1, but is offset each other 3 weft yarns.Warp thread 4,6,8,10 is followed the path similar to warp thread 2, but is also offset (or moving up) three weft yarns to each other.Therefore, the weave pattern shown in Figure 12 a provides long warp float, similar to shown in Fig. 6, and the length of floating of described warp float is 9 weft yarns; Be apparent that most, by consulting the path of warp 1 of the organization chart leftmost side in Figure 12 a, as shown in the figure, warp thread 1 is through the top of weft yarn 2 to 10.The fabric that utilizes the weave pattern shown in Figure 12 to produce is symmetrical, and therefore, to above the description to Fig. 1 is similar, the surface of two contrary planes of the cloth of gained is identical.
Figure 12 b is according to the plan view of the fabric 1200 of the weave pattern braiding acquisition shown in Figure 12 a; The single circulation of the figure grid providing in Figure 12 a has been provided in the upper left corner of Figure 12 b, and is represented as 1201.Figure grid 1201 is corresponding to the organization chart in Figure 12 a, and if shown according to the appearance of the yarn of the figure braiding in Figure 12 a.In Figure 12 b, show the appearance of 4 circulations of the weave pattern shown in Figure 12 a.In Figure 12 b, being oriented in view of warp thread 200 is vertical, strides across described view and weft yarn 100 is set to level.Exemplary four depressions 1210,1212,1214,1216 in figure grid 1201, are marked; Depression 1210 and depression 1216 are all large depressions, for example mean, with little depression (, depression 1212 and depression 1214) and compare, and depression 1210 and depression 1216 have larger open surfaces area, and little depression is less compared with large depression.Consult figure grid 1201 and shown 5 little depressions (for example, depression 1212 and depression 1214) and 5 large depressions (for example depression 1210 and depression 1216).
Consulting large depression (for example, depression 1210) has shown: the edge of large depression is two warp thread joints and two weft yarn joints.Weft yarn 100 forms coboundary and the lower boundary of depression 1210, in figure, float above three continuous warp thread in each border in coboundary and lower boundary, for example, above to form coboundary and the lower boundary of large depression and little depression (, depression 1212, depression 1214 and depression 1216) with reference to the method for describing in Fig. 1 and Fig. 6.The left border of each large depression (for example, depression 1210) and right side boundary are all to float over 5 warp thread joints on weft yarn.The border of each little depression (for example 1214) is for floating over three warp thread joints on weft yarn.As shown in Figure 12 b significantly, warp thread joint and the weft yarn joint of each in large depression and little depression are shared the public boundary between adjacent two large depressions and little depression.In Figure 12 c, provide the axle that waits of fabric 1200 to survey view.In Figure 12 c, weft yarn is all noted as 100, and warp thread is all noted as 200.In view, can find out, fabric 1200 has and the similar structure of the half-duplex shown in Fig. 5.
Figure 13 a is the organization chart of the fabric of the 7th kind of embodiment according to the present invention.Consulting the organization chart of Figure 13 a has shown: start described figure in the upper left corner, in described figure, warp thread 1, through the below of weft yarn 1, passes the top of remaining weft yarn 2 to 10 subsequently, to be formed on 9 warp floats with yarn top; Now, the path of warp thread 1 is the figure starting from weft yarn 1 shown in circulation.Warp thread 2 is the below to weft yarn 3 through weft yarn 1, through the top of weft yarn 4, and subsequently through the below of weft yarn 5,6,7,8,9, passes subsequently the below of weft yarn 10 to complete described figure.Warp thread 3,5,7,9 is followed the path similar to warp thread 1, but is offset each other three weft yarns.Warp thread 4,6,8,10 is followed the path similar to warp thread 2, but is also offset (or moving down) weft yarn to each other.Therefore, the weave pattern shown in Figure 13 a provides long warp float, similar to Fig. 6, Fig. 9 a with shown in Figure 12 a, and the length of floating of described warp float is 9 weft yarns; It is evident that most, by consulting the path of warp 1 of the organization chart leftmost side in Figure 13 a, as shown in the figure, warp thread 1 is through the top of weft yarn 2 to 10, so that the length of floating of 9 one threads to be provided.The fabric that utilizes the weave pattern shown in Figure 13 a to produce is asymmetric, and therefore, to above the description to Fig. 6 is similar, the surface of two contrary planes of the cloth of gained is not identical.
Figure 13 b is according to the plan view of the fabric 1300 of the weave pattern braiding acquisition shown in Figure 13 a; The single circulation of figure grid has been shown in the upper left corner of fabric 1300 views, and is represented as 1301.Figure grid 1301 is corresponding to the organization chart in Figure 13 a, and if shown according to the appearance of the yarn of the figure braiding in Figure 13 a.In Figure 13 b, show the appearance of 4 circulations of the weave pattern shown in Figure 13 a.In Figure 13 b, being oriented in view of warp thread 200 is vertical, strides across described view and weft yarn 100 is set to level.Exemplary four depressions 1310,1312,1314,1316 in figure grid 1301, are marked; Depression 1310 and depression 1316 are all large depressions, for example mean, with little depression (, depression 1312 and depression 1314) and compare, and depression 1310 and depression 1316 have larger open surfaces area, and little depression is less compared with large depression.Consult figure grid 1301 and shown 5 little depressions (for example, depression 1312 and depression 1314) and 5 large depressions (for example depression 1310 and depression 1316).Each little depression comprise form described depression the end 3 with weft yarn and a warp thread.Meanwhile, 5 piece weft yarns and the 1 piece warp thread of each large depression in comprising at the bottom of described depression.
Consulting large depression (for example, depression 1310) has shown: each edge of large depression is two weft yarn joints that two warp thread joints and two stride across top and bottom.In described figure, every weft yarn 100 floats over three continuous warp thread tops, above to form coboundary and the lower boundary of large depression and little depression with reference to the method for describing in Fig. 1 and Fig. 6.The left border of each large depression (for example, depression 1310) and right side boundary are all to float over 5 warp thread joints on weft yarn.The border of each little depression (for example depression 1312) is for floating over three warp thread joints on weft yarn.As shown in Figure 13 b significantly, warp thread joint and the weft yarn joint of each in large depression and little depression are shared the public boundary between adjacent two large depressions and little depression.In Figure 13 c, provide the axle that waits of fabric 1300 to survey view.In Figure 13 c, weft yarn is all noted as 100, and warp thread is all noted as 200.In view, can find out, fabric 1300 has and the similar structure of the half-duplex shown in Fig. 5.
As mentioned above, fabric of the present invention utilizes that cross section is circle or warp thread and the weft yarn of essentially rectangular to weave conventionally.The yarn of circular cross-section is preferably used for warp thread and weft yarn, but, can carry out required combination to any one according to available equipment in the final use of fabric and purposes and fabric manufacture.Conventionally, can use diameter is the yarn of the circular cross-section of about 0.35mm, but the scope of the diameter of selected warp thread can be low to moderate about 0.22mm, and can be as high as 0.45mm, make fabric mesh about 44 to 46 warp thread per inch (17.3 to 18.1 warp thread/centimetre).Weft yarn will be generally circular cross-section, and diameter, weaves with the circle of 30 to 60 picks per inch (11.8 to 23.6 picks per centimeter) roughly to approximately between 0.8mm at about 0.3mm.Fabric can pass through process of surface treatment, the contact area of its PS plane is increased to desirable level in follow-up braiding; Conventionally surface area is about 15% to 20%, still, fabric can be as required by surface treatment for increasing contact area to nearly 30%.In the time using the yarn that cross section is essentially rectangular, can remove (or obviously reducing) process of surface treatment according to reaching contact area and final instructions for use.It is desirable to, the air penetrability of final fabric is at least 600cfm(cubic inch is per minute), and preferred higher air penetrability.
Fabric of the present invention has preferably been shown the depression of two kinds of different sizes in PS surface, and depression is orientated along MD conventionally.We find, the depression of MD orientation is easy to provide paper handkerchief or towel product, and utilize depression along compared with the fabric of CD orientation, and the depression of MD orientation can improve contact performance (for example, pliability).
After manufacture, can utilize anti-pollution coating to process fabric of the present invention, to improve the ability that keeps clean, and remove unwanted particulate and the chemical deposition that in present papermaking environment, may occur.

Claims (36)

1. the throughcirculation dryer of the individual layer of a braiding (TAD) fabric, this throughcirculation dryer (TAD) fabric weaves to provide fabric according to circulation pattern, this fabric has the first plane surface roughly, the second plane surface roughly, machine direction and cross-machine direction, this machine direction and cross-machine direction orthogonal and with described first roughly plane surface and second roughly plane surface is coplanar, wherein, in the circulation of described figure, warp thread and weft yarn interweave to provide form first roughly flat fabric surface multiple warp thread joints and weft yarn joint and be limited to the depression between adjacent two pairs of warp thread joint and weft yarn joint, described depression has by paired weft yarn joint and warp thread and saves the region that limits and the extremely below of described the first plane surface of deep recess of described depression, wherein, in each circulation of described figure:
A) described depression comprises first depression with the first open area and second depression with the second open area, and described the first open area is exposed on described the first fabric face, and described the second open area is exposed on described the first fabric face;
B) basal surface of each described depression is limited by a warp thread and at least one weft yarn, and the basal surface of each described depression is recessed to described first below on flat fabric surface roughly;
C) periphery of each in described the first depression and described the second depression is limited by two described warp thread joints and two described weft yarn joints;
D) each described warp thread joint is separated by a warp thread with adjacent warp thread joint;
E), in the circulation of described figure, the quantity of described the first depression equals the quantity of described the second depression;
F) aperture area being limited by the periphery of described the first depression is different from the aperture area being limited by described the second depression;
G) described the first depression and described the second depression are all set to the diagonal angle twill figure of described the first fabric face;
H) limiting two described warp thread joints of the periphery of the first depression and described the second depression described in each and two described weft yarns saves and is set to:
I, described warp thread joint float over 4 to 9 weft yarn tops;
Ii, described weft yarn joint float over 3 described warp thread tops;
Iii, each described warp thread joint limit machine direction (MD) side of two described the first depressions and two described the second depressions; And
Iv, each described weft yarn joint limit cross-machine direction (CD) side of two described the first depressions and two described the second depressions.
2. fabric according to claim 1, wherein, described circulation pattern is 10 shed open figures, in each described circulation, need 10 warp thread and 10 weft yarns, and described circulation pattern at least roughly arranges N depression on flat fabric surface described first, and N is more than or equal to 10 integer.
3. fabric according to claim 1, this fabric is symmetrical, make to be arranged on described first roughly plane surface and described second roughly the circulation pattern on plane surface be identical.
4. fabric according to claim 1, wherein, in a circulation of the weave pattern of described fabric, the warp thread replacing forms joint, and this joint limits and is arranged in two roughly only one of them lip-deep described first depression of plane surface and the peripheries of the second depression.
5. fabric according to claim 4, wherein, the warp thread replacing provides joint, and this joint limits the first roughly the first depression on plane surface and periphery of the second depression of described fabric.
6. fabric according to claim 5, wherein, described first roughly plane surface be the paper side surface (PS) of described fabric.
7. fabric according to claim 1, wherein, the described warp thread joint that limits the periphery of described the first depression and described the second depression floats over described first top of at least 4 weft yarns on plane surface roughly of described fabric.
8. fabric according to claim 2, wherein, in single circulation, described warp thread joint floats over 9 weft yarn tops.
9. fabric according to claim 1, wherein, each described warp thread joint forms the described machine direction side of four described depressions.
10. fabric according to claim 9, wherein, described warp thread joint forms two described the first depressions adjacent one another are and the machine direction side of two described the second depressions.
11. fabrics according to claim 10, wherein, described the first depression and described the second depression are separated by a described weft yarn joint in described machine direction.
12. fabrics according to claim 1, wherein, the described weft yarn joint that limits the periphery of described the first depression and described the second depression floats over the top of three described warp thread.
13. fabrics according to claim 1, wherein, each described depression and adjacent described depression are separated by a described warp thread in described cross-machine direction.
14. fabrics according to claim 1, wherein, each described depression and adjacent described depression are separated by a described weft yarn in described machine direction.
15. fabrics according to claim 1, wherein, each described depression and adjacent described depression are saved and separate by a described warp thread joint and a described weft yarn.
16. fabrics according to claim 1, wherein, the each described warp thread joint on same fabric face is separated by a described warp thread with an adjacent warp thread joint in described cross-machine direction.
17. fabrics according to claim 2, wherein, in a circulation of described fabric pattern, 50% described warp thread floats over 8 weft yarn tops, to form two warp thread joints in one of them in two fabric faces, wherein, each described warp thread joint floats over 4 described weft yarns tops.
18. fabrics according to claim 2, wherein, in a circulation of described weave pattern, 50% warp thread floats over 9 described weft yarn tops, to form a warp thread joint on a described fabric face.
19. fabrics according to claim 1, wherein, in a circulation of described weave pattern, 50% warp thread forms warp thread joint on a described fabric face.
20. fabrics according to claim 1, wherein, described warp thread has the structure of approximate circular cross-section.
21. fabrics according to claim 1, wherein, described warp thread has the structure in essentially rectangular cross section, and the length-width ratio of this rectangle is 1.4:1 at least, and the thickness that is multiplied by described yarn by measuring the width of yarn obtains described length-width ratio.
22. fabrics according to claim 1, wherein, the cross section structure of described weft yarn is selected from: circular, avette and essentially rectangular.
23. fabrics according to claim 22, wherein, the cross section structure of described weft yarn is roughly circle.
24. fabrics according to claim 1, wherein, described first roughly plane surface and described second roughly at least one in plane surface through lapped face processing.
25. fabrics according to claim 24, wherein, the Surface Contact area of described fabric is at least 14%.
26. fabrics according to claim 1, wherein, described fabric seam is selected from: after braiding, connect envelope, pin seam or circle seam.
27. fabrics according to claim 1, wherein, protrude the polymer that at least one described warp thread or weft yarn form from thermoplastic fibre, and described polymer is selected from: polyester, polyphenylene sulfide or the polyether-ether-ketone of polyester, hydrolysis-stable.
28. fabrics according to claim 1, wherein, described fabric is through surface treatment, to increase and the paper side surface contact area of product waiting for transmission.
29. fabrics according to claim 28, wherein, described paper side surface contact area is about 15% to 30%.
30. fabrics according to claim 1, also comprise anti-pollution coating.
31. 1 kinds of paper grade (stock) fibers, this paper grade (stock) fiber comprises:
By the woven of warp systems and weft systems braiding, to limit the first roughly plane surface of plane surface and second roughly, described first roughly plane surface and second roughly plane surface corresponding to paper stayed surface and machine side surface, described warp thread and described weft yarn interweave to provide multiple warp thread joints and weft yarn joint, to form the described first flat fabric surface roughly, and each described first roughly plane surface and described second roughly the plane surface upper limit be positioned the depression between the described warp thread of adjacent two couple joint and described weft yarn joint, described depression has by paired weft yarn joint and warp thread and saves the region limiting, and the deep recess of described depression is to the below of described the first plane surface,
First group of warp thread comprises that alternately the described warp thread joint of warp thread forms the depression side of the paper support-side of described fabric, and forms the end of depression in the machine side surface of described fabric;
The described warp thread joint of second group of warp thread comprises the not residue warp thread in described first group of warp thread, forms the depression side of described machine side surface, and forms the end of the depression of described paper support-side;
The warp thread joint that forms described depression side floats over the top of 4 to 9 weft yarns; And
On described paper support-side surface and in described machine side surface, the described weft yarn joint that forms all the other sides of described depression floats over the top of 3 warp thread.
32. fabrics according to claim 31, wherein, the each lip-deep described depression of described fabric has two kinds of different sizes.
33. fabrics according to claim 31, wherein, each described warp thread joint forms four described depression sides.
34. fabrics according to claim 31, wherein, each described weft yarn joint forms four described depression sides.
35. fabrics according to claim 31, wherein, the each lip-deep depression of described fabric and adjacent depression are separated by an one thread in each direction.
36. fabrics according to claim 31, wherein, the relative angle of each described depression is formed by described warp thread joint, and other relative angles are formed by described weft yarn joint.
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